noun
1.
Synonyms: basis 1, base, bedrock, footing, foundation, ground, infrastructure, root, substratum, underpinning
2.
Synonyms: base 1, basement, bed, bottom, footing, foundation, substruction, substructure, underpinning, understructure
noun
1.
Synonyms: basis 1, base, bedrock, footing, foundation, ground, infrastructure, root, substratum, underpinning
2.
Synonyms: base 1, basement, bed, bottom, footing, foundation, substruction, substructure, underpinning, understructure
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003